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msg_server.go
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msg_server.go
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package keeper
import (
"context"
"github.com/Agoric/agoric-sdk/golang/cosmos/vm"
"github.com/Agoric/agoric-sdk/golang/cosmos/x/swingset/types"
sdk "github.com/cosmos/cosmos-sdk/types"
)
type msgServer struct {
Keeper
}
// NewMsgServerImpl returns an implementation of the bank MsgServer interface
// for the provided Keeper.
func NewMsgServerImpl(keeper Keeper) types.MsgServer {
return &msgServer{Keeper: keeper}
}
var _ types.MsgServer = msgServer{}
type deliverInboundAction struct {
*vm.ActionHeader `actionType:"DELIVER_INBOUND"`
Peer string `json:"peer"`
Messages [][]interface{} `json:"messages"`
Ack uint64 `json:"ack"`
}
func (keeper msgServer) routeAction(ctx sdk.Context, msg vm.ControllerAdmissionMsg, action vm.Action) error {
isHighPriority, err := msg.IsHighPriority(ctx, keeper)
if err != nil {
return err
}
if isHighPriority {
return keeper.PushHighPriorityAction(ctx, action)
} else {
return keeper.PushAction(ctx, action)
}
}
func (keeper msgServer) DeliverInbound(goCtx context.Context, msg *types.MsgDeliverInbound) (*types.MsgDeliverInboundResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
// msg.Nums and msg.Messages must be zipped into an array of [num, message] pairs.
messages := make([][]interface{}, len(msg.Messages))
for i, message := range msg.Messages {
messages[i] = []interface{}{msg.Nums[i], message}
}
action := deliverInboundAction{
Peer: msg.Submitter.String(),
Messages: messages,
Ack: msg.Ack,
}
err := keeper.routeAction(ctx, msg, action)
// fmt.Fprintln(os.Stderr, "Returned from SwingSet", out, err)
if err != nil {
return nil, err
}
return &types.MsgDeliverInboundResponse{}, nil
}
type walletAction struct {
*vm.ActionHeader `actionType:"WALLET_ACTION"`
Owner string `json:"owner"`
Action string `json:"action"`
}
func (keeper msgServer) WalletAction(goCtx context.Context, msg *types.MsgWalletAction) (*types.MsgWalletActionResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
err := keeper.provisionIfNeeded(ctx, msg.Owner)
if err != nil {
return nil, err
}
action := walletAction{
Owner: msg.Owner.String(),
Action: msg.Action,
}
// fmt.Fprintf(os.Stderr, "Context is %+v\n", ctx)
err = keeper.routeAction(ctx, msg, action)
// fmt.Fprintln(os.Stderr, "Returned from SwingSet", out, err)
if err != nil {
return nil, err
}
return &types.MsgWalletActionResponse{}, nil
}
type walletSpendAction struct {
*vm.ActionHeader `actionType:"WALLET_SPEND_ACTION"`
Owner string `json:"owner"`
SpendAction string `json:"spendAction"`
}
func (keeper msgServer) WalletSpendAction(goCtx context.Context, msg *types.MsgWalletSpendAction) (*types.MsgWalletSpendActionResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
err := keeper.provisionIfNeeded(ctx, msg.Owner)
if err != nil {
return nil, err
}
action := walletSpendAction{
Owner: msg.Owner.String(),
SpendAction: msg.SpendAction,
}
// fmt.Fprintf(os.Stderr, "Context is %+v\n", ctx)
err = keeper.routeAction(ctx, msg, action)
if err != nil {
return nil, err
}
return &types.MsgWalletSpendActionResponse{}, nil
}
type provisionAction struct {
*vm.ActionHeader `actionType:"PLEASE_PROVISION"`
*types.MsgProvision
AutoProvision bool `json:"autoProvision"`
}
// provisionIfNeeded generates a provision action if no smart wallet is already
// provisioned for the account. This assumes that all messages for
// non-provisioned smart wallets allowed by the admission AnteHandler should
// auto-provision the smart wallet.
func (keeper msgServer) provisionIfNeeded(ctx sdk.Context, owner sdk.AccAddress) error {
// We need to generate a provision action until the smart wallet has
// been fully provisioned by the controller. This is because a provision is
// not guaranteed to succeed (e.g. lack of provision pool funds)
walletState := keeper.GetSmartWalletState(ctx, owner)
if walletState == types.SmartWalletStateProvisioned {
return nil
}
msg := &types.MsgProvision{
Address: owner,
Submitter: owner,
PowerFlags: []string{types.PowerFlagSmartWallet},
}
action := provisionAction{
MsgProvision: msg,
AutoProvision: true,
}
err := keeper.routeAction(ctx, msg, action)
// fmt.Fprintln(os.Stderr, "Returned from SwingSet", out, err)
if err != nil {
return err
}
return nil
}
func (keeper msgServer) Provision(goCtx context.Context, msg *types.MsgProvision) (*types.MsgProvisionResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
err := keeper.ChargeForProvisioning(ctx, msg.Submitter, msg.Address, msg.PowerFlags)
if err != nil {
return nil, err
}
action := provisionAction{
MsgProvision: msg,
}
// Create the account, if it doesn't already exist.
egress := types.NewEgress(msg.Nickname, msg.Address, msg.PowerFlags)
err = keeper.SetEgress(ctx, egress)
if err != nil {
return nil, err
}
err = keeper.routeAction(ctx, msg, action)
// fmt.Fprintln(os.Stderr, "Returned from SwingSet", out, err)
if err != nil {
return nil, err
}
return &types.MsgProvisionResponse{}, nil
}
type installBundleAction struct {
*vm.ActionHeader `actionType:"INSTALL_BUNDLE"`
*types.MsgInstallBundle
}
func (keeper msgServer) InstallBundle(goCtx context.Context, msg *types.MsgInstallBundle) (*types.MsgInstallBundleResponse, error) {
ctx := sdk.UnwrapSDKContext(goCtx)
err := msg.Uncompress()
if err != nil {
return nil, err
}
action := installBundleAction{
MsgInstallBundle: msg,
}
err = keeper.routeAction(ctx, msg, action)
// fmt.Fprintln(os.Stderr, "Returned from SwingSet", out, err)
if err != nil {
return nil, err
}
return &types.MsgInstallBundleResponse{}, nil
}